Exploration and mining of lateritic gold deposits (Part I): Ore ...
Jul 1, 2024 · Lateritic gold deposits are emerging as a substantial reservoir of precious metals. The growing demand and escalating gold price have focused on lateritic gold and other supergene deposits due to their potential for low-cost production.
Exploration and mining of lateritic gold (Part II): Resource …
Sep 1, 2024 · Lateritic deposits have lower operating costs and smaller carbon footprints than primary ores. This study examines the resource evaluation and processing of gold in the ferruginous gravels and duricrust (FGD) deposits, encompassing lateritic residuum or …
Laterite-saprolite Au - USGS Publications Warehouse
SYNONYM: Eluvial gold placers (Boyle, 1979), Au-bearing saprolite (Becker, 1895). DESCRIPTION: Au disseminated in laterite and saprolite that developed under conditions of tropical weathering (fig. 32) over a wide variety of bedrock …
New Mineral Deposit Models for Gold, Phosphate Rare Earth …
Sep 29, 2017 · The updated models included six gold deposit types (epithermal, orogenic, Carlin-like, alkaline-related, iron oxide copper gold, and Precambrian paleoplacer), sedimentary phosphorus (± rare earth elements) deposits, and titanium-rare earth element placer deposits.
(PDF) Gold Exploration in Tropical Landscapes - ResearchGate
Dec 28, 2021 · Supergene, high fineness (high purity) gold nuggets that have formed in laterite soils over subcropping gold deposits are targeted by artisanal gold miners. Sectional view of simplified...
The Behavior of Gold in the Lateritic Alterosphere
Wilson AF (1984) Origin of quartz-free gold nuggets and supergene gold found in latentes and soils. A review and some new observations. Aust J Earth Sci 31:303–316.
During the last decade, research has focused on the weathering of Au proto res which generates the so-called lateritic Au in tropical climatic zones.
(PDF) Morphology and composition of gold in a lateritic profile ...
May 1, 2008 · This study describes the morphological evolution of gold grains in a lateritic weathering profile in an equatorial rainforest climate.
Geological Characteristics, Ore-controlling Factors and Prospecting ...
Sep 12, 2021 · Laterite gold deposits are usually controlled by structure, paleoclimate, hydrogeology and landform. The geochemical anomaly, gold-rich geological body or gold ore body range and the nearby red earth layer, the iron belt in the red earth weathering crust profile are important prospecting indicators for lateritic gold deposits.
Gold distribution in lateritic profiles in South America, Africa, and ...
Apr 1, 1993 · Laterites, formed during the Tertiary and the Recent in inner tropical morphoclimatic zones covered by dense rain forests, in places such as the Amazon region and West Africa, are presently undergoing strong weathering and erosion that truncates lateritic profiles.